As we know that every widget in Flutter is created by the build method and the build method takes a BuildContext as an argument . This helps the build method to find which widget it is going to draw and also it helps in locating the position of the widget to be drawn in the widget tree.
Read moreWhat is builder context in Flutter?
A handle to the location of a widget in the widget tree . This class presents a set of methods that can be used from StatelessWidget. build methods and from methods on State objects. BuildContext objects are passed to WidgetBuilder functions (such as StatelessWidget. build), and are available from the State.
Read moreWhat is build () in Flutter?
build method Null safety Describes the part of the user interface represented by this widget . The framework calls this method when this widget is inserted into the tree in a given BuildContext and when the dependencies of this widget change (e.g., an InheritedWidget referenced by this widget changes).
Read moreHow many types of builders are there in Flutter?
Flutter Design Patterns: 18 — Builder.
Read moreWhat is the use of builder widget in Flutter?
A builder function is a Flutter design pattern in which widgets provide a callback interface to the widget tree with dynamic (often layout-specific) parameters .
Read moreWhat is MainAxisSize in Flutter?
Summary. When you use MainAxisSize on your Column or Row, they will determine the size of the Column or Row along the main axis , i.e, height for Column and width for Row.
Read moreWhat is layout in Flutter?
The core of Flutter’s layout mechanism is widgets . In Flutter, almost everything is a widget—even layout models are widgets. The images, icons, and text that you see in a Flutter app are all widgets.
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